International Construction engineering and contracting firm with major branch operations in the US and Canada. Heavy/civil and building construction.

Obayashi has been completing large and complex civil and building projects in the U.S. since 1968. They often work through integrated joint ventures. Favored contracting methods include conventional, design-build, CM/GC, CM@risk, and are willing and able to bring value to a P3 consortium. Civil specializes in public infrastructure projects including tunnels, shafts, and other underground structures, water and waste water treatment plants, and concrete bridges including cable-stay and extradosed....

Obayashi has been completing large and complex civil and building projects in the U.S. since 1968. They often work through integrated joint ventures. Favored contracting methods include conventional, design-build, CM/GC, CM@risk, and are willing and able to bring value to a P3 consortium. Civil specializes in public infrastructure projects including tunnels, shafts, and other underground structures, water and waste water treatment plants, and concrete bridges including cable-stay and extradosed. (Search "Colorado River Bridge".) Buildings include public and private, low/medium/high rise, offices, hospitals, commercial, industrial, retail, manufacturing, with a specialty in highly unique buildings such as clean rooms, hospitals. (Search "California Academy of Science Building".)